*Formerly first, K’NAAN‘s “Hurt Me Tomorrow” makes the jump to our Top Picks Chart, clearing the way for the runner-up, Rihanna‘s “Where Have You Been,” to take its place. Usher‘s “Scream” climbs from seventh to take second.

*Dropping from last week’s Top Picks, will.i.am‘s “This Is Love,” Trey Songz‘ “Heart Attack” and B.o.B‘s “So Good” land in third, fourth and eighth.

*T. Mills‘s “Diemonds,” Ne-Yo‘s “Lazy Love,” Eric Benét‘s “Redbone Girl,” Sean Kingston‘s “Back 2 Life (Live It Up),” and Calvin Harris‘ “Let’s Go” enter the chart in 11th, 19th, 13th,14th and 17th.

*Making their exit this week are Nelly Furtado‘s “Big Hoops,” Nicki Minaj‘s “Starships,” Ywada‘s “Count Me Out,” Leron Young‘s “Perfect Girl,” Ben Stevenson‘s “Left You Behind,” Jennifer Lopez‘ “Dance Again,” D-Why‘s “We Don’t Know” and Sterling Simms‘ “Tell Her Again.”

1. Usher – Scream

2. will.i.am ft. Eva Simons – This Is Love

3. Trey Songz – Heart Attack

4. Sammy Adams – Only One

5. Jeremih – Late Nights

6. Akon ft. French Montana – Hurt Somebody

7. B.o.B – So Good

8. R. Kelly – Feelin’ Single

9. Maroon 5 ft. Wiz Khalifa – Payphone

10. T. Mills – Diemonds

11. Ne-Yo – Lazy Love

12. Eric Benét ft. Lil Wayne – Redbone Girl

13. Sean Kingston ft. T.I. – Back 2 Life (Live It Up)

14. B.o.B – So Hard To Breathe

15. Goodie Mob – Fight to Win

16. Calvin Harris ft. Ne-Yo – Let’s Go

17. R. Kelly – Share My Love

18. Ne-Yo – Burning Up

19. Sabi ft. Wale – Where They Do That At